搞怪

搞怪	gǎo guài	to do sth wacky / wacky / wacky behavior
搞	gǎo	to do / to make / to go in for / to set up / to get hold of / to take care of
怪	guài	bewildering / odd / strange / uncanny / devil / monster / to wonder at / to blame / quite / rather
怪	guài	variant of 怪